Transcription of General Description Features - Maxim Integrated
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31 2 Digit A/D ConvertersICL7106/ICL7107 General DescriptionThe Maxim ICL7106/ICL7107 are monolithic analog-to-digital converters (ADCs). They have very high input impedances and require no external display drive cir-cuitry. On-board active components include polarity and digit drivers, segment decoders, voltage reference and a clock circuit. The ICL7106 will directly drive a nonmulti-plexed liquid crystal display (LCD), whereas the ICL7107 will directly drive a common anode light emitting diode (LED) and accuracy are inherent Features of these converters. The dual-slope conversion technique auto-matically rejects interference signals common in industri-al environments.
Common-Mode Rejection Ratio (Note 4) VCM = Q1V, VIN = 0V, full scale = 200.0mV 50 FV/V Noise (Pk-Pk Value Not Exceeded 95% of Time) VIN = 0V, full scale = 200mV 15 FV Input Leakage Current VIN = 0V 1 10 pA Zero Reading Drift VIN = 0V, 0NC < TA < +70NC 0.2 1 FV/NC Scale Factor Temperature Coefficient VIN = 199.0mV, 0NC < TA < +70NC
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